if (isset($_POST['upload']))
  {
      # erlaubte Dateiformate
      $extension = array('gif', 'jpg', 'jpeg', 'bmp', 'png');
      
      #print_r($_FILES);
      $datanzahl = count($_FILES['image'] ['tmp_name']);
      for ($i = 0; $i < $datanzahl; $i++)
      {
          if (isset($_FILES['image'] ['name']) && $_FILES['image'] ['name'] != 'none')
          {
              echo "geht";
          }
          else
          {
              echo "geht nicht";
          }
      }
  }
  elseif (isset($_POST['dup']))
  {
      echo "<form action=". $_SERVER['PHP_SELF'] ." method=\"post\" enctype=\"multipart/form-data\">\n";
      $anzahl = $_POST['anzahl'];
      for ($i = 0; $i < $anzahl; $i++)
      {
          echo "<input type=\"file\" name=\"image[]\" />
\n";
      }
      echo "<input type=\"submit\" name=\"upload\" />\n";
      echo "</form>\n";
  }
  else
  {
      echo "<h3>Felder erstellen</h3>";
      echo "Wieviel Bilder?";
      
      echo "<form action=". $_SERVER['PHP_SELF'] ." method=\"post\">\n";
      echo "<select name=\"anzahl\" size=\"1\">\n";
      echo "<option value=\"1\">1</option>\n";
      echo "<option value=\"2\">2</option>\n";
      echo "<option value=\"3\">3</option>\n";
      echo "</select>\n";
      echo "

\n";
      echo "<input type=\"submit\" name=\"dup\" value=\" erstellen \" />\n";
      echo "</form>\n";
  }